{"id":34277,"date":"2025-08-27T12:56:58","date_gmt":"2025-08-27T03:56:58","guid":{"rendered":"https:\/\/uxdaystokyo.com\/articles\/?post_type=glossary&p=34277"},"modified":"2025-08-27T12:56:58","modified_gmt":"2025-08-27T03:56:58","slug":"temporal-discounting","status":"publish","type":"glossary","link":"https:\/\/uxdaystokyo.com\/articles\/glossary\/temporal-discounting\/","title":{"rendered":"\u6642\u9593\u5272\u5f15"},"content":{"rendered":"

\u300c\u4eca\u65e51,000\u5186\u3082\u3089\u3048\u308b\u300d vs \u300c1\u9031\u9593\u5f8c\u306b1,000\u5186\u3082\u3089\u3048\u308b\u300d
\u2192 \u591a\u304f\u306e\u4eba\u306f\u300c\u4eca\u65e5\u300d\u3092\u9078\u3073\u3084\u3059\u3044\u3002<\/p>\n

\u3053\u308c\u306f\u3001\u5c06\u6765\u306e\u4fa1\u5024\u3092\u73fe\u5728\u306b\u5f15\u304d\u76f4\u3057\u3066\u8003\u3048\u308b\u3068\u5c0f\u3055\u304f\u898b\u7a4d\u3082\u3063\u3066\u3057\u307e\u3046<\/strong>\u305f\u3081\u3067\u3042\u308b\u3002<\/p>\n

\u6570\u7406\u7684\u8868\u73fe<\/h2>\n

\u6642\u9593\u5272\u5f15\u306f\u3001\u901a\u5e38\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30e2\u30c7\u30eb\u5316\u3055\u308c\u308b<\/p>\n

\u6307\u6570\u5272\u5f15\u30e2\u30c7\u30eb\uff08exponential discounting\uff09<\/strong><\/h3>\n

V=A(1+r)tV = \\frac{A}{(1+r)^t}<\/span>V<\/span>=<\/span><\/span>(<\/span>1+<\/span>r<\/span>)t<\/span><\/span><\/span><\/span><\/span>A<\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

    \n
  • VV<\/span>V<\/span><\/span><\/span><\/span>\uff1a\u73fe\u5728\u4fa1\u5024<\/li>\n
  • AA<\/span>A<\/span><\/span><\/span><\/span>\uff1a\u5c06\u6765\u53d7\u3051\u53d6\u308b\u4fa1\u5024<\/li>\n
  • rr<\/span>r<\/span><\/span><\/span><\/span>\uff1a\u5272\u5f15\u7387<\/li>\n
  • tt<\/span>t<\/span><\/span><\/span><\/span>\uff1a\u6642\u9593<\/li>\n<\/ul>\n

    \u53cc\u66f2\u5272\u5f15\u30e2\u30c7\u30eb\uff08hyperbolic discounting\uff09<\/strong><\/h3>\n

    V=A1+ktV = \\frac{A}{1+kt}<\/span>V<\/span>=<\/span><\/span>1+<\/span>k<\/span>t<\/span>A<\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

      \n
    • \u3088\u308a\u5fc3\u7406\u5b9f\u9a13\u306e\u7d50\u679c\u306b\u8fd1\u3044\u30e2\u30c7\u30eb\u3002<\/li>\n
    • \u4eba\u306f\u300c\u8fd1\u3044\u5c06\u6765\u300d\u3092\u5f37\u304f\u5272\u5f15\u3059\u308b\u304c\u3001\u300c\u9060\u3044\u5c06\u6765\u300d\u306f\u3042\u307e\u308a\u5272\u5f15\u3057\u306a\u3044\u3002<\/li>\n<\/ul>\n

      \"\"<\/p>\n

      \u30c7\u30b6\u30a4\u30f3\u306b\u95a2\u308f\u308b\u5229\u7528\u65b9\u6cd5<\/h2>\n
        \n
      • \n

        \u884c\u52d5\u3092\u3059\u3050\u306b\u4fc3\u3057\u305f\u3044\u3068\u304d<\/strong>\uff1a
        \u2192 \u5272\u5f15\u3084\u5831\u916c\u3092\u300c\u4eca\u3060\u3051\u300d\u300c\u3059\u3050\u624b\u306b\u5165\u308b\u300d\u3068\u4f1d\u3048\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u884c\u52d5\u3092\u52a0\u901f\u3067\u304d\u308b\u3002<\/p>\n<\/li>\n

      • \n

        \u9577\u671f\u7684\u306a\u884c\u52d5\u3092\u4fc3\u3057\u305f\u3044\u3068\u304d<\/strong>\uff1a
        \u2192 \u5c06\u6765\u306e\u5229\u76ca\u3092\u300c\u73fe\u5728\u4fa1\u5024\u300d\u3068\u3057\u3066\u5b9f\u611f\u3067\u304d\u308b\u5f62\u306b\u7ffb\u8a33\u3059\u308b\uff08\u4f8b\uff1a\u7a4d\u307f\u7acb\u3066\u6295\u8cc7\u306e\u672a\u6765\u306e\u91d1\u984d\u3092\u300c\u6bce\u65e5\u30b3\u30fc\u30d2\u30fc1\u676f\u5206\u304c\u5c06\u6765\u3007\u4e07\u5186\u306b\u306a\u308b\u300d\u3068\u793a\u3059\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n

        \u5177\u4f53\u7684\u306a\u4e8b\u4f8b<\/h2>\n
          \n
        • \n

          \u5065\u5eb7\u30a2\u30d7\u30ea<\/strong>\uff1a\u904b\u52d5\u306e\u5c06\u6765\u306e\u5065\u5eb7\u52b9\u679c\u3092\u300c\u4eca\u65e5\u306e\u9054\u6210\u30d0\u30c3\u30b8\u300d\u3084\u300c\u3059\u3050\u306e\u5c0f\u3055\u306a\u3054\u8912\u7f8e\u300d\u306b\u5909\u63db\u3002<\/p>\n<\/li>\n

        • \n

          \u30b5\u30d6\u30b9\u30af\u30b5\u30fc\u30d3\u30b9<\/strong>\uff1a\u300c\u4eca\u7533\u3057\u8fbc\u3081\u3070\u521d\u6708\u7121\u6599\u300d\u3068\u3044\u3063\u305f\u77ed\u671f\u7684\u5229\u5f97\u3092\u5f37\u8abf\u3002<\/p>\n<\/li>\n

        • \n

          \u74b0\u5883\u30c7\u30b6\u30a4\u30f3<\/strong>\uff1a\u300c\u4eca\u884c\u52d5\u3057\u306a\u3044\u3068\u672a\u6765\u306b\u3053\u3046\u306a\u308b\u300d\u3068\u30d3\u30b8\u30e5\u30a2\u30eb\u5316\u3057\u3066\u6642\u9593\u5272\u5f15\u3092\u6291\u3048\u308b\u3002<\/p>\n<\/li>\n<\/ul>\n

          \u95a2\u9023\u7528\u8a9e<\/h2>\n
            \n
          • \u73fe\u5728\u30d0\u30a4\u30a2\u30b9\uff08present bias\uff09<\/strong>\uff1a\u7279\u306b\u300c\u4eca\u300d\u3092\u5f37\u304f\u512a\u5148\u3057\u3066\u3057\u307e\u3046\u5fc3\u7406\u3002<\/li>\n
          • \u7b26\u53f7\u52b9\u679c\uff08sign effect\uff09<\/strong>\uff1a\u30d7\u30e9\u30b9\u306e\u5831\u916c\u3068\u30de\u30a4\u30ca\u30b9\u306e\u640d\u5931\u3067\u5272\u5f15\u306e\u3055\u308c\u65b9\u304c\u7570\u306a\u308b\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

            \u5c06\u6765\u5f97\u3089\u308c\u308b\u5831\u916c\u3084\u640d\u5931\u3092\u3001\u73fe\u5728\u306e\u4fa1\u5024\u3088\u308a\u3082\u4f4e\u304f\u8a55\u4fa1\u3059\u308b\u5fc3\u7406\u7684\u50be\u5411\u306e\u3053\u3068<\/p>\n","protected":false},"author":5,"featured_media":34292,"template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"English":"temporal discounting","footnotes":""},"glossary-category":[21,20],"glossary_tag":[],"class_list":["post-34277","glossary","type-glossary","status-publish","has-post-thumbnail","hentry","glossary-category-psychology-behavioraleconomics-brain-science","glossary-category-thinking-mind-bias"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/uxdaystokyo.com\/articles\/wp-json\/wp\/v2\/glossary\/34277","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/uxdaystokyo.com\/articles\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/uxdaystokyo.com\/articles\/wp-json\/wp\/v2\/types\/glossary"}],"author":[{"embeddable":true,"href":"https:\/\/uxdaystokyo.com\/articles\/wp-json\/wp\/v2\/users\/5"}],"version-history":[{"count":3,"href":"https:\/\/uxdaystokyo.com\/articles\/wp-json\/wp\/v2\/glossary\/34277\/revisions"}],"predecessor-version":[{"id":34294,"href":"https:\/\/uxdaystokyo.com\/articles\/wp-json\/wp\/v2\/glossary\/34277\/revisions\/34294"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/uxdaystokyo.com\/articles\/wp-json\/wp\/v2\/media\/34292"}],"wp:attachment":[{"href":"https:\/\/uxdaystokyo.com\/articles\/wp-json\/wp\/v2\/media?parent=34277"}],"wp:term":[{"taxonomy":"glossary-category","embeddable":true,"href":"https:\/\/uxdaystokyo.com\/articles\/wp-json\/wp\/v2\/glossary-category?post=34277"},{"taxonomy":"glossary_tag","embeddable":true,"href":"https:\/\/uxdaystokyo.com\/articles\/wp-json\/wp\/v2\/glossary_tag?post=34277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}